ML19340B926
| ML19340B926 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 10/30/1980 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Speis T Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8011120587 | |
| Download: ML19340B926 (2) | |
Text
kut;r t;ts g.
3,b,.bbev,e~~*~~t?OQ'"
T6 -&')f OCT 3 0 !ceo 50-Off "EMCRANDUM FCR:
Themis P. Spets, Chief Reactor Systems Branch, OS!
FRCM:
A. Schwencer, Chief Licensing Branch No. 2, CCL
SUBJECT:
EMERGENCY BCRATION SYSTEP - SOUTH TEXAS PROJECT On February 28, 1980, Housten Lighting and Power (HL3P) sutraitted a request to NRC for clarification on its request to delete the Emergency Beration System (EBS) at the South Texas Project (STP). The deletion of the EBS was described in Amendment 2 to the FSAR on October 9,1978. HL3P also points out that the SER for RESAR-414 accepts the EBS deletien for the reference plant. A copy of the February 28 request is attached.
It was my understanding fran the previous STP project manager that%f s request was sent to the Reactor System Branch for review. However, I can find no record of a request fran licensing to review the HL3P request to determine whether or not the request should be granted.
At the present time HL3P infoms me that other use will be made of the space previously earmarked for the EBS.
The engineering design of the plant has now reached a point where design decisions must be made in order to proceed with the design and construction of STP.
It is important for proper planning that we advise HL3P of our decision with respect to their request to delete the EBS.
It is requested that the reviewer within your branch review this request and that you provide licensing with a staff pcsition relative to this HL3P request Early resolution of this question is highly desirable.
unginal signed by A. Schwencer, Chief Licensing Branch No. 2 Division of Licensing D ~
- D
' TT f SEE AITACHED LIS4 308 DISTRIBUTION cmcr h.@.l
. l........ S 2 i
suav vep.
>.... k AS hwencer 0S*
.y
?1.)QQ $$.
f i
- csN.10(h.!SO l0l
(
+
j.
- Egr l
J.
F OISTRIBUTION:
Occket File 50-498/499 NRC POR Local PCR 4
i NRR Reading LBf2 File DEisennut i
RPurple RTedesco ASchwencer DSells MService.
I&E (3) 4 i
1 4
t i
).
1 J
i 1
)
i i
I l
l l
c m e s )i............
l wn Naue >t i
l
..l.
4
[
CATE,
~ C'.LS. 30V E 4NMENT 3RIN? NG OFFICE: 1979 *89 363 l
l
i
.~,
The Light Company soo on ughting & re er eo. sex i:oo souston. Texas::ooi ci3,2es-9tii
'. February 28, 1980 ST-HL-AE 427 SFN: V-0110 Denton Ross, Acting Director Division of Project Management Nuclear Regulatory Commission Wasnington, D.C.
20555 South Texas Project Units 1 & 2 Cccket Nos. STN-498, STN 499 Deletion of Emercency Boration System
Dear Mr. Ross:
The Emergency Boraticn System injects borated water into the core to provide additional negative reactivity during a postulated steamline break accident. Analysis of the steamline break accident for the South Texas Project without the operation of the Emergency Boration System has shown that the NRC acceptance criteria can still be met.
Houston Lighting & Power descriced the deletion of the Emergency Boration System (EBS) in Amendment 2 to the FSAR on October 9, 1978. A similar arrangement appears in RESAR-414 and the SER for RESAR-414 accepts the EBS deletion for that reference plant.
To date, we have received no germane questions concerning the EBS deletien.
Uncertainity in the NRC regulatory position is causing scme diffi..ulty in finali:ing engineering and may cause some construction delays in the near future.
Therefore, HL3P requests clarificatien of this matter so that if the EBS is recu. red, we will have scme time to make the required backfits.
If you have any questions, do not hesitate to call Mr. Shawn S. Rodgers at (713) 676-3397.
Very truly yours,
,g,
/-. _ _. _
E. A. Turner Vice President
(
Power Plant Construction 6g and Technical Services MP/ neb 80031305 g WPN=
en 4m
- e m m.qy p.
eNgm_
sh w
es,ww-e-we,em w
-e o
e essmasma-
-ep ww er
W,tptag & % ca9ary February 28, 1980 ST-HL-AE-427 Page 2 Director, NRC Office of Inspection & Enforcement cc:
Division of Reactor Operations Inspection M. D. Schwarz (Baker & Botts)
R. Gordon Gooch (Baker & Botts)
J. R. Newnan (Lowenstein, Newnan, Reis, Axelrad & Toll)
D. G. Barker A. J. Granger R. A. Frazar G. B. Painter H. R. Dean R. L. Waldrop C. L. McNeese e
4
. _..